[0] 0.6.189.18.in-addr.arpa.: domain name does not exist
[0] 1.6.189.18.in-addr.arpa.: domain name does not exist
[0] 2.6.189.18.in-addr.arpa.: domain name does not exist
[0] 3.6.189.18.in-addr.arpa.: domain name does not exist
[0] 4.6.189.18.in-addr.arpa.: domain name does not exist
[0] 5.6.189.18.in-addr.arpa.: domain name does not exist
[60] 6.6.189.18.in-addr.arpa. domain name pointer dhcp-18-189-6-6.dyn.mit.edu
[0] 7.6.189.18.in-addr.arpa.: domain name does not exist
[60] 8.6.189.18.in-addr.arpa. domain name pointer dhcp-18-189-6-8.dyn.mit.edu
[0] 9.6.189.18.in-addr.arpa.: domain name does not exist
[60] 10.6.189.18.in-addr.arpa. domain name pointer dhcp-18-189-6-10.dyn.mit.edu
[60] 11.6.189.18.in-addr.arpa. domain name pointer dhcp-18-189-6-11.dyn.mit.edu
[60] 12.6.189.18.in-addr.arpa. domain name pointer dhcp-18-189-6-12.dyn.mit.edu
[60] 13.6.189.18.in-addr.arpa. domain name pointer dhcp-18-189-6-13.dyn.mit.edu
[60] 14.6.189.18.in-addr.arpa. domain name pointer dhcp-18-189-6-14.dyn.mit.edu
[60] 15.6.189.18.in-addr.arpa. domain name pointer dhcp-18-189-6-15.dyn.mit.edu
[0] 16.6.189.18.in-addr.arpa.: domain name does not exist
[60] 17.6.189.18.in-addr.arpa. domain name pointer dhcp-18-189-6-17.dyn.mit.edu
[0] 18.6.189.18.in-addr.arpa.: domain name does not exist
[0] 19.6.189.18.in-addr.arpa.: domain name does not exist
[60] 20.6.189.18.in-addr.arpa. domain name pointer dhcp-18-189-6-20.dyn.mit.edu
[60] 21.6.189.18.in-addr.arpa. domain name pointer dhcp-18-189-6-21.dyn.mit.edu
[60] 22.6.189.18.in-addr.arpa. domain name pointer dhcp-18-189-6-22.dyn.mit.edu
[60] 23.6.189.18.in-addr.arpa. domain name pointer dhcp-18-189-6-23.dyn.mit.edu
[0] 24.6.189.18.in-addr.arpa.: domain name does not exist
[0] 25.6.189.18.in-addr.arpa.: domain name does not exist
[0] 26.6.189.18.in-addr.arpa.: domain name does not exist
[60] 27.6.189.18.in-addr.arpa. domain name pointer dhcp-18-189-6-27.dyn.mit.edu
[0] 28.6.189.18.in-addr.arpa.: domain name does not exist
[60] 29.6.189.18.in-addr.arpa. domain name pointer dhcp-18-189-6-29.dyn.mit.edu
[60] 30.6.189.18.in-addr.arpa. domain name pointer dhcp-18-189-6-30.dyn.mit.edu
[60] 31.6.189.18.in-addr.arpa. domain name pointer dhcp-18-189-6-31.dyn.mit.edu
[60] 32.6.189.18.in-addr.arpa. domain name pointer dhcp-18-189-6-32.dyn.mit.edu
[60] 33.6.189.18.in-addr.arpa. domain name pointer dhcp-18-189-6-33.dyn.mit.edu
[60] 34.6.189.18.in-addr.arpa. domain name pointer dhcp-18-189-6-34.dyn.mit.edu
[0] 35.6.189.18.in-addr.arpa.: domain name does not exist
[60] 36.6.189.18.in-addr.arpa. domain name pointer dhcp-18-189-6-36.dyn.mit.edu
[0] 37.6.189.18.in-addr.arpa.: domain name does not exist
[0] 38.6.189.18.in-addr.arpa.: domain name does not exist
[60] 39.6.189.18.in-addr.arpa. domain name pointer dhcp-18-189-6-39.dyn.mit.edu
[0] 40.6.189.18.in-addr.arpa.: domain name does not exist
[60] 41.6.189.18.in-addr.arpa. domain name pointer dhcp-18-189-6-41.dyn.mit.edu
[60] 42.6.189.18.in-addr.arpa. domain name pointer dhcp-18-189-6-42.dyn.mit.edu
[60] 43.6.189.18.in-addr.arpa. domain name pointer dhcp-18-189-6-43.dyn.mit.edu
[0] 44.6.189.18.in-addr.arpa.: domain name does not exist
[0] 45.6.189.18.in-addr.arpa.: domain name does not exist
[0] 46.6.189.18.in-addr.arpa.: domain name does not exist
[60] 47.6.189.18.in-addr.arpa. domain name pointer dhcp-18-189-6-47.dyn.mit.edu
[60] 48.6.189.18.in-addr.arpa. domain name pointer dhcp-18-189-6-48.dyn.mit.edu
[60] 49.6.189.18.in-addr.arpa. domain name pointer dhcp-18-189-6-49.dyn.mit.edu
[60] 50.6.189.18.in-addr.arpa. domain name pointer dhcp-18-189-6-50.dyn.mit.edu
[60] 51.6.189.18.in-addr.arpa. domain name pointer dhcp-18-189-6-51.dyn.mit.edu
[60] 52.6.189.18.in-addr.arpa. domain name pointer dhcp-18-189-6-52.dyn.mit.edu
[0] 53.6.189.18.in-addr.arpa.: domain name does not exist
[60] 54.6.189.18.in-addr.arpa. domain name pointer dhcp-18-189-6-54.dyn.mit.edu
[0] 55.6.189.18.in-addr.arpa.: domain name does not exist
[60] 56.6.189.18.in-addr.arpa. domain name pointer dhcp-18-189-6-56.dyn.mit.edu
[0] 57.6.189.18.in-addr.arpa.: domain name does not exist
[60] 58.6.189.18.in-addr.arpa. domain name pointer dhcp-18-189-6-58.dyn.mit.edu
[0] 59.6.189.18.in-addr.arpa.: domain name does not exist
[60] 60.6.189.18.in-addr.arpa. domain name pointer dhcp-18-189-6-60.dyn.mit.edu
[60] 61.6.189.18.in-addr.arpa. domain name pointer dhcp-18-189-6-61.dyn.mit.edu
[60] 62.6.189.18.in-addr.arpa. domain name pointer dhcp-18-189-6-62.dyn.mit.edu
[60] 63.6.189.18.in-addr.arpa. domain name pointer dhcp-18-189-6-63.dyn.mit.edu
[60] 64.6.189.18.in-addr.arpa. domain name pointer dhcp-18-189-6-64.dyn.mit.edu
[0] 65.6.189.18.in-addr.arpa.: domain name does not exist
[60] 66.6.189.18.in-addr.arpa. domain name pointer dhcp-18-189-6-66.dyn.mit.edu
[0] 67.6.189.18.in-addr.arpa.: domain name does not exist
[60] 68.6.189.18.in-addr.arpa. domain name pointer dhcp-18-189-6-68.dyn.mit.edu
[0] 69.6.189.18.in-addr.arpa.: domain name does not exist
[0] 70.6.189.18.in-addr.arpa.: domain name does not exist
[60] 71.6.189.18.in-addr.arpa. domain name pointer dhcp-18-189-6-71.dyn.mit.edu
[60] 72.6.189.18.in-addr.arpa. domain name pointer dhcp-18-189-6-72.dyn.mit.edu
[60] 73.6.189.18.in-addr.arpa. domain name pointer dhcp-18-189-6-73.dyn.mit.edu
[0] 74.6.189.18.in-addr.arpa.: domain name does not exist
[60] 75.6.189.18.in-addr.arpa. domain name pointer dhcp-18-189-6-75.dyn.mit.edu
[60] 76.6.189.18.in-addr.arpa. domain name pointer dhcp-18-189-6-76.dyn.mit.edu
[60] 77.6.189.18.in-addr.arpa. domain name pointer dhcp-18-189-6-77.dyn.mit.edu
[60] 78.6.189.18.in-addr.arpa. domain name pointer dhcp-18-189-6-78.dyn.mit.edu
[60] 79.6.189.18.in-addr.arpa. domain name pointer dhcp-18-189-6-79.dyn.mit.edu
[60] 80.6.189.18.in-addr.arpa. domain name pointer dhcp-18-189-6-80.dyn.mit.edu
[60] 81.6.189.18.in-addr.arpa. domain name pointer dhcp-18-189-6-81.dyn.mit.edu
[0] 82.6.189.18.in-addr.arpa.: domain name does not exist
[0] 83.6.189.18.in-addr.arpa.: domain name does not exist
[0] 84.6.189.18.in-addr.arpa.: domain name does not exist
[60] 85.6.189.18.in-addr.arpa. domain name pointer dhcp-18-189-6-85.dyn.mit.edu
[60] 86.6.189.18.in-addr.arpa. domain name pointer dhcp-18-189-6-86.dyn.mit.edu
[0] 87.6.189.18.in-addr.arpa.: domain name does not exist
[0] 88.6.189.18.in-addr.arpa.: domain name does not exist
[60] 89.6.189.18.in-addr.arpa. domain name pointer dhcp-18-189-6-89.dyn.mit.edu
[60] 90.6.189.18.in-addr.arpa. domain name pointer dhcp-18-189-6-90.dyn.mit.edu
[60] 91.6.189.18.in-addr.arpa. domain name pointer dhcp-18-189-6-91.dyn.mit.edu
[60] 92.6.189.18.in-addr.arpa. domain name pointer dhcp-18-189-6-92.dyn.mit.edu
[60] 93.6.189.18.in-addr.arpa. domain name pointer dhcp-18-189-6-93.dyn.mit.edu
[60] 94.6.189.18.in-addr.arpa. domain name pointer dhcp-18-189-6-94.dyn.mit.edu
[60] 95.6.189.18.in-addr.arpa. domain name pointer dhcp-18-189-6-95.dyn.mit.edu
[60] 96.6.189.18.in-addr.arpa. domain name pointer dhcp-18-189-6-96.dyn.mit.edu
[60] 97.6.189.18.in-addr.arpa. domain name pointer dhcp-18-189-6-97.dyn.mit.edu
[0] 98.6.189.18.in-addr.arpa.: domain name does not exist
[0] 99.6.189.18.in-addr.arpa.: domain name does not exist
[60] 100.6.189.18.in-addr.arpa. domain name pointer dhcp-18-189-6-100.dyn.mit.edu
[60] 101.6.189.18.in-addr.arpa. domain name pointer dhcp-18-189-6-101.dyn.mit.edu
[60] 102.6.189.18.in-addr.arpa. domain name pointer dhcp-18-189-6-102.dyn.mit.edu
[60] 103.6.189.18.in-addr.arpa. domain name pointer dhcp-18-189-6-103.dyn.mit.edu
[0] 104.6.189.18.in-addr.arpa.: domain name does not exist
[60] 105.6.189.18.in-addr.arpa. domain name pointer dhcp-18-189-6-105.dyn.mit.edu
[60] 106.6.189.18.in-addr.arpa. domain name pointer dhcp-18-189-6-106.dyn.mit.edu
[0] 107.6.189.18.in-addr.arpa.: domain name does not exist
[0] 108.6.189.18.in-addr.arpa.: domain name does not exist
[0] 109.6.189.18.in-addr.arpa.: domain name does not exist
[60] 110.6.189.18.in-addr.arpa. domain name pointer dhcp-18-189-6-110.dyn.mit.edu
[60] 111.6.189.18.in-addr.arpa. domain name pointer dhcp-18-189-6-111.dyn.mit.edu
[0] 112.6.189.18.in-addr.arpa.: domain name does not exist
[60] 113.6.189.18.in-addr.arpa. domain name pointer dhcp-18-189-6-113.dyn.mit.edu
[0] 114.6.189.18.in-addr.arpa.: domain name does not exist
[60] 115.6.189.18.in-addr.arpa. domain name pointer dhcp-18-189-6-115.dyn.mit.edu
[60] 116.6.189.18.in-addr.arpa. domain name pointer dhcp-18-189-6-116.dyn.mit.edu
[60] 117.6.189.18.in-addr.arpa. domain name pointer dhcp-18-189-6-117.dyn.mit.edu
[60] 118.6.189.18.in-addr.arpa. domain name pointer dhcp-18-189-6-118.dyn.mit.edu
[0] 119.6.189.18.in-addr.arpa.: domain name does not exist
[60] 120.6.189.18.in-addr.arpa. domain name pointer dhcp-18-189-6-120.dyn.mit.edu
[0] 121.6.189.18.in-addr.arpa.: domain name does not exist
[60] 122.6.189.18.in-addr.arpa. domain name pointer dhcp-18-189-6-122.dyn.mit.edu
[60] 123.6.189.18.in-addr.arpa. domain name pointer dhcp-18-189-6-123.dyn.mit.edu
[60] 124.6.189.18.in-addr.arpa. domain name pointer dhcp-18-189-6-124.dyn.mit.edu
[0] 125.6.189.18.in-addr.arpa.: domain name does not exist
[60] 126.6.189.18.in-addr.arpa. domain name pointer dhcp-18-189-6-126.dyn.mit.edu
[60] 127.6.189.18.in-addr.arpa. domain name pointer dhcp-18-189-6-127.dyn.mit.edu
[60] 128.6.189.18.in-addr.arpa. domain name pointer dhcp-18-189-6-128.dyn.mit.edu
[60] 129.6.189.18.in-addr.arpa. domain name pointer dhcp-18-189-6-129.dyn.mit.edu
[0] 130.6.189.18.in-addr.arpa.: domain name does not exist
[60] 131.6.189.18.in-addr.arpa. domain name pointer dhcp-18-189-6-131.dyn.mit.edu
[60] 132.6.189.18.in-addr.arpa. domain name pointer dhcp-18-189-6-132.dyn.mit.edu
[60] 133.6.189.18.in-addr.arpa. domain name pointer dhcp-18-189-6-133.dyn.mit.edu
[0] 134.6.189.18.in-addr.arpa.: domain name does not exist
[0] 135.6.189.18.in-addr.arpa.: domain name does not exist
[60] 136.6.189.18.in-addr.arpa. domain name pointer dhcp-18-189-6-136.dyn.mit.edu
[60] 137.6.189.18.in-addr.arpa. domain name pointer dhcp-18-189-6-137.dyn.mit.edu
[0] 138.6.189.18.in-addr.arpa.: domain name does not exist
[60] 139.6.189.18.in-addr.arpa. domain name pointer dhcp-18-189-6-139.dyn.mit.edu
[60] 140.6.189.18.in-addr.arpa. domain name pointer dhcp-18-189-6-140.dyn.mit.edu
[0] 141.6.189.18.in-addr.arpa.: domain name does not exist
[0] 142.6.189.18.in-addr.arpa.: domain name does not exist
[60] 143.6.189.18.in-addr.arpa. domain name pointer dhcp-18-189-6-143.dyn.mit.edu
[0] 144.6.189.18.in-addr.arpa.: domain name does not exist
[0] 145.6.189.18.in-addr.arpa.: domain name does not exist
[60] 146.6.189.18.in-addr.arpa. domain name pointer dhcp-18-189-6-146.dyn.mit.edu
[60] 147.6.189.18.in-addr.arpa. domain name pointer dhcp-18-189-6-147.dyn.mit.edu
[60] 148.6.189.18.in-addr.arpa. domain name pointer dhcp-18-189-6-148.dyn.mit.edu
[60] 149.6.189.18.in-addr.arpa. domain name pointer dhcp-18-189-6-149.dyn.mit.edu
[60] 150.6.189.18.in-addr.arpa. domain name pointer dhcp-18-189-6-150.dyn.mit.edu
[60] 151.6.189.18.in-addr.arpa. domain name pointer dhcp-18-189-6-151.dyn.mit.edu
[60] 152.6.189.18.in-addr.arpa. domain name pointer dhcp-18-189-6-152.dyn.mit.edu
[0] 153.6.189.18.in-addr.arpa.: domain name does not exist
[60] 154.6.189.18.in-addr.arpa. domain name pointer dhcp-18-189-6-154.dyn.mit.edu
[60] 155.6.189.18.in-addr.arpa. domain name pointer dhcp-18-189-6-155.dyn.mit.edu
[60] 156.6.189.18.in-addr.arpa. domain name pointer dhcp-18-189-6-156.dyn.mit.edu
[0] 157.6.189.18.in-addr.arpa.: domain name does not exist
[60] 158.6.189.18.in-addr.arpa. domain name pointer dhcp-18-189-6-158.dyn.mit.edu
[0] 159.6.189.18.in-addr.arpa.: domain name does not exist
[0] 160.6.189.18.in-addr.arpa.: domain name does not exist
[60] 161.6.189.18.in-addr.arpa. domain name pointer dhcp-18-189-6-161.dyn.mit.edu
[60] 162.6.189.18.in-addr.arpa. domain name pointer dhcp-18-189-6-162.dyn.mit.edu
[60] 163.6.189.18.in-addr.arpa. domain name pointer dhcp-18-189-6-163.dyn.mit.edu
[0] 164.6.189.18.in-addr.arpa.: domain name does not exist
[0] 165.6.189.18.in-addr.arpa.: domain name does not exist
[60] 166.6.189.18.in-addr.arpa. domain name pointer dhcp-18-189-6-166.dyn.mit.edu
[0] 167.6.189.18.in-addr.arpa.: domain name does not exist
[60] 168.6.189.18.in-addr.arpa. domain name pointer dhcp-18-189-6-168.dyn.mit.edu
[60] 169.6.189.18.in-addr.arpa. domain name pointer dhcp-18-189-6-169.dyn.mit.edu
[0] 170.6.189.18.in-addr.arpa.: domain name does not exist
[0] 171.6.189.18.in-addr.arpa.: domain name does not exist
[60] 172.6.189.18.in-addr.arpa. domain name pointer dhcp-18-189-6-172.dyn.mit.edu
[60] 173.6.189.18.in-addr.arpa. domain name pointer dhcp-18-189-6-173.dyn.mit.edu
[60] 174.6.189.18.in-addr.arpa. domain name pointer dhcp-18-189-6-174.dyn.mit.edu
[60] 175.6.189.18.in-addr.arpa. domain name pointer dhcp-18-189-6-175.dyn.mit.edu
[0] 176.6.189.18.in-addr.arpa.: domain name does not exist
[60] 177.6.189.18.in-addr.arpa. domain name pointer dhcp-18-189-6-177.dyn.mit.edu
[0] 178.6.189.18.in-addr.arpa.: domain name does not exist
[0] 179.6.189.18.in-addr.arpa.: domain name does not exist
[60] 180.6.189.18.in-addr.arpa. domain name pointer dhcp-18-189-6-180.dyn.mit.edu
[0] 181.6.189.18.in-addr.arpa.: domain name does not exist
[60] 182.6.189.18.in-addr.arpa. domain name pointer dhcp-18-189-6-182.dyn.mit.edu
[60] 183.6.189.18.in-addr.arpa. domain name pointer dhcp-18-189-6-183.dyn.mit.edu
[60] 184.6.189.18.in-addr.arpa. domain name pointer dhcp-18-189-6-184.dyn.mit.edu
[60] 185.6.189.18.in-addr.arpa. domain name pointer dhcp-18-189-6-185.dyn.mit.edu
[0] 186.6.189.18.in-addr.arpa.: domain name does not exist
[60] 187.6.189.18.in-addr.arpa. domain name pointer dhcp-18-189-6-187.dyn.mit.edu
[0] 188.6.189.18.in-addr.arpa.: domain name does not exist
[60] 189.6.189.18.in-addr.arpa. domain name pointer dhcp-18-189-6-189.dyn.mit.edu
[60] 190.6.189.18.in-addr.arpa. domain name pointer dhcp-18-189-6-190.dyn.mit.edu
[60] 191.6.189.18.in-addr.arpa. domain name pointer dhcp-18-189-6-191.dyn.mit.edu
[60] 192.6.189.18.in-addr.arpa. domain name pointer dhcp-18-189-6-192.dyn.mit.edu
[60] 193.6.189.18.in-addr.arpa. domain name pointer dhcp-18-189-6-193.dyn.mit.edu
[60] 194.6.189.18.in-addr.arpa. domain name pointer dhcp-18-189-6-194.dyn.mit.edu
[0] 195.6.189.18.in-addr.arpa.: domain name does not exist
[60] 196.6.189.18.in-addr.arpa. domain name pointer dhcp-18-189-6-196.dyn.mit.edu
[60] 197.6.189.18.in-addr.arpa. domain name pointer dhcp-18-189-6-197.dyn.mit.edu
[60] 198.6.189.18.in-addr.arpa. domain name pointer dhcp-18-189-6-198.dyn.mit.edu
[60] 199.6.189.18.in-addr.arpa. domain name pointer dhcp-18-189-6-199.dyn.mit.edu
[60] 200.6.189.18.in-addr.arpa. domain name pointer dhcp-18-189-6-200.dyn.mit.edu
[60] 201.6.189.18.in-addr.arpa. domain name pointer dhcp-18-189-6-201.dyn.mit.edu
[0] 202.6.189.18.in-addr.arpa.: domain name does not exist
[60] 203.6.189.18.in-addr.arpa. domain name pointer dhcp-18-189-6-203.dyn.mit.edu
[0] 204.6.189.18.in-addr.arpa.: domain name does not exist
[60] 205.6.189.18.in-addr.arpa. domain name pointer dhcp-18-189-6-205.dyn.mit.edu
[0] 206.6.189.18.in-addr.arpa.: domain name does not exist
[60] 207.6.189.18.in-addr.arpa. domain name pointer dhcp-18-189-6-207.dyn.mit.edu
[0] 208.6.189.18.in-addr.arpa.: domain name does not exist
[60] 209.6.189.18.in-addr.arpa. domain name pointer dhcp-18-189-6-209.dyn.mit.edu
[60] 210.6.189.18.in-addr.arpa. domain name pointer dhcp-18-189-6-210.dyn.mit.edu
[0] 211.6.189.18.in-addr.arpa.: domain name does not exist
[60] 212.6.189.18.in-addr.arpa. domain name pointer dhcp-18-189-6-212.dyn.mit.edu
[60] 213.6.189.18.in-addr.arpa. domain name pointer dhcp-18-189-6-213.dyn.mit.edu
[60] 214.6.189.18.in-addr.arpa. domain name pointer dhcp-18-189-6-214.dyn.mit.edu
[0] 215.6.189.18.in-addr.arpa.: domain name does not exist
[60] 216.6.189.18.in-addr.arpa. domain name pointer dhcp-18-189-6-216.dyn.mit.edu
[0] 217.6.189.18.in-addr.arpa.: domain name does not exist
[60] 218.6.189.18.in-addr.arpa. domain name pointer dhcp-18-189-6-218.dyn.mit.edu
[60] 219.6.189.18.in-addr.arpa. domain name pointer dhcp-18-189-6-219.dyn.mit.edu
[60] 220.6.189.18.in-addr.arpa. domain name pointer dhcp-18-189-6-220.dyn.mit.edu
[60] 221.6.189.18.in-addr.arpa. domain name pointer dhcp-18-189-6-221.dyn.mit.edu
[0] 222.6.189.18.in-addr.arpa.: domain name does not exist
[60] 223.6.189.18.in-addr.arpa. domain name pointer dhcp-18-189-6-223.dyn.mit.edu
[0] 224.6.189.18.in-addr.arpa.: domain name does not exist
[60] 225.6.189.18.in-addr.arpa. domain name pointer dhcp-18-189-6-225.dyn.mit.edu
[0] 226.6.189.18.in-addr.arpa.: domain name does not exist
[0] 227.6.189.18.in-addr.arpa.: domain name does not exist
[0] 228.6.189.18.in-addr.arpa.: domain name does not exist
[60] 229.6.189.18.in-addr.arpa. domain name pointer dhcp-18-189-6-229.dyn.mit.edu
[60] 230.6.189.18.in-addr.arpa. domain name pointer dhcp-18-189-6-230.dyn.mit.edu
[60] 231.6.189.18.in-addr.arpa. domain name pointer dhcp-18-189-6-231.dyn.mit.edu
[60] 232.6.189.18.in-addr.arpa. domain name pointer dhcp-18-189-6-232.dyn.mit.edu
[60] 233.6.189.18.in-addr.arpa. domain name pointer dhcp-18-189-6-233.dyn.mit.edu
[60] 234.6.189.18.in-addr.arpa. domain name pointer dhcp-18-189-6-234.dyn.mit.edu
[60] 235.6.189.18.in-addr.arpa. domain name pointer dhcp-18-189-6-235.dyn.mit.edu
[0] 236.6.189.18.in-addr.arpa.: domain name does not exist
[0] 237.6.189.18.in-addr.arpa.: domain name does not exist
[0] 238.6.189.18.in-addr.arpa.: domain name does not exist
[60] 239.6.189.18.in-addr.arpa. domain name pointer dhcp-18-189-6-239.dyn.mit.edu
[0] 240.6.189.18.in-addr.arpa.: domain name does not exist
[0] 241.6.189.18.in-addr.arpa.: domain name does not exist
[60] 242.6.189.18.in-addr.arpa. domain name pointer dhcp-18-189-6-242.dyn.mit.edu
[60] 243.6.189.18.in-addr.arpa. domain name pointer dhcp-18-189-6-243.dyn.mit.edu
[0] 244.6.189.18.in-addr.arpa.: domain name does not exist
[60] 245.6.189.18.in-addr.arpa. domain name pointer dhcp-18-189-6-245.dyn.mit.edu
[60] 246.6.189.18.in-addr.arpa. domain name pointer dhcp-18-189-6-246.dyn.mit.edu
[60] 247.6.189.18.in-addr.arpa. domain name pointer dhcp-18-189-6-247.dyn.mit.edu
[0] 248.6.189.18.in-addr.arpa.: domain name does not exist
[0] 249.6.189.18.in-addr.arpa.: domain name does not exist
[60] 250.6.189.18.in-addr.arpa. domain name pointer dhcp-18-189-6-250.dyn.mit.edu
[0] 251.6.189.18.in-addr.arpa.: domain name does not exist
[0] 252.6.189.18.in-addr.arpa.: domain name does not exist
[0] 253.6.189.18.in-addr.arpa.: domain name does not exist
[0] 254.6.189.18.in-addr.arpa.: domain name does not exist
[0] 255.6.189.18.in-addr.arpa.: domain name does not exist